#autoload

# This function completes 'ls' to '/bin/ls'
_hashed_absolute_command_paths() {
  local -aU set_of_dirs_of_hashed_commands=( ${^commands%/*}/ )
  local i
  integer ret=1
  for i in $set_of_dirs_of_hashed_commands
  do
    compadd -M "l:|=$i" "$expl[@]" -a 'commands[(R)${~i}[^/]#]'
    ret=0
  done
  return ret
}

# This function completes absolute pathnames of executables, e.g., /etc/rc.local
_typed-in_absolute_command_paths() {
  # TODO: the description "full path to an executable" and tag in the caller are ignored by _path_files
  _path_files -/ -g '*(-*)' -P / -W /
}

_absolute_command_paths() {
  _alternative \
    'commands:hashed command by absolute path:_hashed_absolute_command_paths' \
    'commands:full path to an executable:_typed-in_absolute_command_paths'
}


_absolute_command_paths "$@"